Tumbler



FIG. 1 is a top, front, right perspective view of a tumbler showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a cross-sectional view at 8-8 in FIG. 1 thereof; and,

FIG. 9 is a cross-sectional view at 9-9 in FIG. 6 thereof.

The broken lines depicting the remainder of the tumbler show features that form no part of the claimed design. 

CLAIM The ornamental design for a tumbler, as shown and described. 